CN108531745A - Slag recovery and processing system - Google Patents
Slag recovery and processing system Download PDFInfo
- Publication number
- CN108531745A CN108531745A CN201810687240.1A CN201810687240A CN108531745A CN 108531745 A CN108531745 A CN 108531745A CN 201810687240 A CN201810687240 A CN 201810687240A CN 108531745 A CN108531745 A CN 108531745A
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- China
- Prior art keywords
- rack
- discharge
- ash bucket
- discharge nozzle
- mixing part
- Prior art date
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- Granted
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- 239000002893 slag Substances 0.000 title claims abstract description 41
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 238000012216 screening Methods 0.000 claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000002156 mixing Methods 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000779 smoke Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 16
- 241000219000 Populus Species 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 229940098458 powder spray Drugs 0.000 claims description 9
- 239000002817 coal dust Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 18
- 229910052782 aluminium Inorganic materials 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 239000004411 aluminium Substances 0.000 description 13
- 230000009471 action Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- -1 aluminium gold Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of slag recovery and processing systems, including：Mixing part is stirred stir-frying to slag, to isolate molten metal and ash, and molten metal is collected；Cooling end is arranged in the rear end of mixing part, the ash come in from mixing part conveying is cooled down；Screening portion, is arranged in the rear end of cooling end, and multi-stage screening is carried out to ash after cooling；The ash of a diameter of 2 13mm is delivered in mixing part and is stirred stir-frying by delivery section again.Slag recovery and processing system processing slag of the invention is efficient, metal recovery rate is high and safe and reliable.
Description
Technical field
The invention belongs to scrap metal recycling equipment technical fields, and in particular to a kind of slag recovery processing system
System.
Background technology
The processing of aluminum metal is to be melted aluminium at molten aluminum using the high temperature of smelting furnace, and the purity of aluminium is higher, production in smelting furnace
The aluminium slag that raw dirty, dust is mixed and formed with molten aluminum is opposite fewer, on the contrary then increase.Especially using secondary aluminium as raw material
During preparing aluminum metal, the showed increaseds such as the dirty, dust in aluminium slag are entrained in, in order to recycle the aluminium gold in aluminium slag ingredient
Belong to, generally use processing means appropriate obtain.
Crucible in aluminium slag separation and recovery in the prior art mechanism（Agitated kettle）All it is unfixed, crucible（Agitated kettle）It is interior
Aluminium slag after the completion of stir process, need crucible（Agitated kettle）Interior aluminium ash is output to cooling device by way of overturning
In, thus cannot achieve and continuously aluminium slag be stirred, can only one pot of stirring complete that after pouring out next pot could be continued to stir
It mixes, working efficiency is low, and is difficult to realize the sealed connection with cooling device, and cooling effect is caused also to be had a greatly reduced quality.
In addition, be that the outlet obstruction in cooling device is easy using screw machine conveying aluminum ash in existing cooling device, from
And cause security risk.
Invention content
It is an object of the invention to overcome disadvantages mentioned above existing in the prior art, a kind of processing slag efficiency is provided
High, metal recovery rate height and safe and reliable slag recovery and processing system.
To achieve the goals above, the technical solution adopted by the present invention is as follows, including：
Mixing part is stirred stir-frying to slag, to isolate molten metal and ash, and molten metal is collected；
Cooling end is arranged in the rear end of mixing part, the ash come in from mixing part conveying is cooled down；
Screening portion, is arranged in the rear end of cooling end, and multi-stage screening is carried out to ash after cooling；
The ash of a diameter of 2-13mm is delivered in mixing part and is stirred stir-frying by delivery section again.
In the present invention, further, mixing part includes the first rack, be provided in the first rack babinet, agitated kettle and
Agitating device, the first rack are provided with feed inlet in the side far from cooling end, and babinet is arranged above agitated kettle, the first rack
It is inside provided with and the sliding rail and sliding block that position is slided up and down and done for babinet, raise-lower hydraulic is provided on two sides of the first rack
The cylinder barrel of cylinder, lifting hydraulic cylinder is fixed above the first rack, and the piston rod of lifting hydraulic cylinder is fixedly connected with babinet, stirs
It mixes pot to be fixed in the first rack, agitating device includes the first actuating unit and agitating paddle, and the setting of the first actuating unit exists
In babinet, the power output shaft of the first actuating unit is fixedly connected with agitating paddle, and agitating paddle is stretched over agitated kettle with cantilever position
Interior, stirring pot bottom is provided with molten metal tap hole, discharge hole is offered on agitated kettle, agitated kettle outside is in the upper of discharge hole
Portion is provided with the electrically operated gate for controlling discharge hole discharging, and the lower part of discharge hole is provided with chute feeder, and the lower part of the first rack is set
It is equipped with the first discharge nozzle, chute feeder is extended downwardly from the inclined downward of discharge hole in the first discharge nozzle.
Cooling end includes horizontal rotatable cold ash bucket and drives the second actuating unit of cold ash bucket rotation, on the outside of cold ash bucket
It is provided with spray tube and fixed vapour hood, the first feed pipe and the second discharge nozzle are respectively arranged in the both ends of the surface of cold ash bucket,
First discharge nozzle is stretched into the first feed pipe of cold ash bucket and is tightly connected with the first discharge nozzle, and chute feeder is from the first discharge nozzle
It stretches into cold ash bucket, cold ash bucket and the second discharge nozzle junction are circumferentially uniformly arranged and are useful for ash being delivered to screening portion
Poplar plate is fixedly installed by movable sprocket in the outer circle of the second discharge nozzle, and the second actuating unit includes motor and retarder, retarder
Output shaft on be provided with drive sprocket, drive sprocket is linked by chain and passive sprocket wheel.
Screening portion includes being connect with the discharge nozzle of cooling cylinder and with the sifting barrel that cooling cylinder rotates synchronously, array on sifting barrel
Several Screening Networks are distributed with, the density of each Screening Network becomes larger along the axis of sifting barrel, and support screen is provided on the outside of sifting barrel
Divide the second rack of cylinder, is provided with several discharge ports corresponding with each Screening Network in the second rack, the second rack is being sieved
It is additionally provided with discharge port on the side of cylinder end.
Delivery section includes the first screw conveyor, elevator and the second screw conveyor.
In the present invention, further, further include dust removal unit, dust removal unit includes total smoke exhaust pipe, the upper end of the first rack and
Side offers smoke outlet, and the upper end of the second rack offers smoke outlet, smoke exhaust pipe is both provided on smoke outlet and is connected to always
Smoke exhaust pipe, is provided with air-introduced machine in total smoke exhaust pipe rear end, and dust removal unit includes Mars trap and bag filter, total smoke exhaust pipe with
Mars trap connects.Air-introduced machine is accelerated to also assure while flue gas discharge is in negative pressure always in system, security performance is more
It is high.
In the present invention, further, the both sides in the first rack are provided with cushion cylinder between babinet and agitated kettle.
In the present invention, further, level-one Screening Network and two level Screening Network are provided on sifting barrel.
In the present invention, further, the discharge outlet at two level Screening Network, elevator is arranged in the first screw conveyor
One end be arranged in the lower section of the first screw conveyor, and the conveying direction of conveying direction and the first screw conveyor is perpendicular,
The other end of elevator is arranged in the top of the second screw conveyor, and ash bucket is provided on the second screw conveyor.
In the present invention, further, mixing part further includes Coal powder spray mechanism, and Coal powder spray mechanism includes being fixed at machine
Dust motor and discharge tube on frame are fixedly installed screw rod on the output shaft for the motor that dusts by shaft coupling, and screw rod is set
It sets in discharge tube, the outlet setting of discharge tube is provided with the storage barrel for storing coal dust above agitated kettle, on discharge tube.
In the present invention, further, agitating paddle is the asymmetric rubbing board type structure of center of gravity, and this structure is conducive to float
Aluminium lime-ash in agitated kettle top scrapes, and reduces frictional force.
In the present invention, further, cooling end further includes heat exchanger and water tank, is provided with heat exchanger plates in heat exchanger, changes
Be provided on hot device for into normal-temperature water the first water inlet pipe and be used for out the first outlet pipe of hot water, heat exchanger goes out by second
Water pipe is connected to spray tube, and vapour hood bottom is provided with the third outlet pipe for being connected to water tank, is provided with to be connected on water tank and change
Second water inlet pipe of hot device.
In the present invention, further, in the first feed pipe of cold ash bucket diameter is provided on the outside of the first discharge nozzle
Increased directing plate.
In the present invention, further, further include container, be arranged outside agitating device, set below molten metal tap hole
It is equipped with melt pipeline, melt pipeline is connected to container.
In the present invention, it is preferred to, chute feeder is the slide carriage equipped with radian.
In the present invention, further, several steel balls are provided in cooling cylinder, cooling cylinder is close to one end of discharge nozzle
It is provided with and blocks（Ash）Plate, kick back are circular ring shape, and the outer circle of annulus is fixed on the inner wall of cooling cylinder.Steel ball is done in cooling cylinder
The grinding to ash content is played in rotary motion, bulky grain ash content is reduced, to improve organic efficiency.The setting of kick back makes steel
Ball is in cooling cylinder always.
In the present invention, further, mesh is provided on kick back, web plate is circular ring shape（Or flat）, and kick back
Inner circular diameters are less than the internal diameter of discharge nozzle.Web plate makes the ash content that cooling cylinder interior diameter is more than mesh that can not be entered by poplar plate
In discharge nozzle, rests in cooling cylinder and continue to be transformed under the abrasive action of steel ball the ash content that diameter is less than mesh.
In the present invention, further, kick back is uniformly provided with notch in outer circle so that and ash content discharging is more thorough,
It will not remain in cooling cylinder.
In the present invention, further, kick back is uniformly provided with waist-shaped hole in the radial direction.
In the present invention, further, mixing part further includes lifting device, and the container for that will contain slag is promoted
To the feed inlet of the first rack.
In the present invention, further, the bottom of mixing part, cooling end and screening portion is sunk down into less than ground level, the
It is provided at the feed inlet of one rack and tilts upward extend to ground level inclined-plane.
The beneficial effects of the invention are as follows：（1）Use direct connection between agitating paddle and actuating unit, the stress of connecting shaft is small, the longevity
Life length, eliminates the consumption of sprocket wheel and chain, improves electric efficiency；（2）The effect of mixing part and babinet in lifting hydraulic cylinder
Under move up and down, during decline, babinet slows down decrease speed after touching cushion dashpot, to protect retarder with
And reduce impact of the agitating paddle to agitated kettle pot body, prolonged deceleration device, agitating paddle and agitated kettle pot body service life；（3）It stirs
It mixes the calx handled to discharge from discharge hole directly under the control of electrically operated gate, agitated kettle is without overturning, stirring pot temperature damage
It loses small, is not easy slagging, the rate of recovery is high；（4）Temperature of agitated kettle during stirring frying is very high, the easy balling burning of grey body, coal
Moment burning is burst after powder is added, so that the spherical lime-ash in slag is blown, is reduced the scaling loss of metal, is improved stirring
The service life of paddle, and and the rate of recovery of slag is made to greatly improve；（4）Mixing part is connected with cooling end by conventional sealing
It connects mode always to be in a state of negative pressure in i.e. certifiable cold ash bucket under the action of air-introduced machine, security performance higher, ash will not be let out
Dew；（5）The discharging of cold ash bucket using poplar plate discharge, it is simple in structure and be not in block outlet the phenomenon that, it is safe；（6）
Actuating unit is arranged outside vapour hood, will not be cooled the influence of water, and service life is long and easy to repair；（7）From heat exchanger
The first outlet pipe comes out is clean hot water, the other equipment or supply bathroom that can be used in workshop are used, and abundant profit is reached
The effect of with energy consumption；（8）Make to be repeated continuously use always for cooling water by way of heat exchange, be saved to reach
The effect of with water；（9）Sunk type can be promoted to slag the omission of the lifting device in agitated kettle.
Description of the drawings
In order to illustrate more clearly of the technical solution in the present invention, below to the attached drawing and attached used in embodiment description
Icon is denoted as simply introducing.
Fig. 1 is the system flow chart of the embodiment of the present invention 1.
Fig. 2 is the front view of the embodiment of the present invention 1.
Fig. 3 is the vertical view of the embodiment of the present invention 1.
Fig. 4 is the front view of the embodiment of the present invention 2.
Fig. 5 is the left view of mixing part.
Fig. 6 is the structural schematic diagram of delivery section.
Fig. 7 is cold ash bucket detailed structure view.
Fig. 8 is plate structure schematic diagram of blocking.
Reference sign：The mixing parts 1-, the first racks of 11-, the first discharge nozzles of 111-, 12- agitated kettles, 121- metals are molten
Liquid stream portals, 122- discharge holes, 123- electrically operated gates, 13- agitating devices, 131- agitating paddles, the first actuating units of 132-, 14- casees
Body, 15- lifting hydraulic cylinders, 16- chute feeders, 17- cushion cylinders, 18- Coal powder spray mechanism, 19- lifting devices, 2- cooling ends, 21-
Cold ash bucket, the second actuating units of 22-, 23- spray tubes, 24- vapour hoods, the first feed pipes of 211-, the second discharge nozzles of 212-, 213-
Poplar plate, 214- directing plates, 215- steel balls, 216- kick backs, 217- web plates, 3- screenings portion, 31- sifting barrels, the second racks of 32-,
311- level-ones Screening Network, 312- two levels Screening Network, 4- delivery sections, 5- containers.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments（Root
According to embodiment）, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
Embodiment 1, referring to Fig. 1-Fig. 3, including mixing part 1, cooling end 2, screening portion 3, delivery section 4 and container 5, mixing part
1 includes the first rack 11, is provided with babinet 14, agitated kettle 12, agitating device 13 in the first rack 11, the first rack 11 is separate
The side of cooling end 2 is provided with feed inlet, and babinet 14 is arranged above agitated kettle 12, is provided with for babinet 14 in the first rack 11
The sliding rail and sliding block that position are slided up and down and done, lifting hydraulic cylinder 15 is provided on two sides of the first rack 11, lifts liquid
The cylinder barrel of cylinder pressure 15 is fixed at 11 top of the first rack, and the piston rod of lifting hydraulic cylinder 15 is fixedly connected with babinet 14, the
Both sides in one rack 11 are provided with cushion cylinder 17 between babinet 14 and agitated kettle 12, referring to Fig. 5.
Agitated kettle 12 is fixed in the first rack 11, and agitating device 13 includes the first actuating unit 132 and agitating paddle
131, the first actuating unit 132 is arranged in babinet 14, and power output shaft and the agitating paddle 131 of the first actuating unit 132 are fixed
Connection, agitating paddle 131 are stretched over cantilever position in agitated kettle 12, and agitating paddle 131 carries out the slag in agitated kettle 12
Stirring stir-frying, to isolate molten metal and ash, 12 bottom of agitated kettle is provided with molten metal tap hole 121, molten metal
121 lower section of tap hole is provided with melt pipeline, is provided with container 5 outside mixing part 1, melt pipeline is connected to container 5, to realize
Collection to molten metal, discharge hole 122 is offered on agitated kettle 12, and 12 outside of agitated kettle is arranged on the top of discharge hole 122
Be useful for the electrically operated gate 123 of control discharge hole discharging, the lower part of discharge hole 123 is provided with chute feeder 16, chute feeder 16 be equipped with
The slide carriage of radian, ash is better and is not easy to leak outside, and the lower part of the first rack 11 is provided with the first discharge nozzle 111, chute feeder
16 extend downwardly from the inclined downward of discharge hole 123 in the first discharge nozzle 111.
The rear end in mixing part 1 is arranged in cooling end 2, including horizontal rotatable cold ash bucket 21 and the cold ash bucket 21 of drive rotate
The second actuating unit 22, the outside of cold ash bucket 21 is provided with spray tube 23 and fixed vapour hood 24, the both ends of the surface of cold ash bucket 21
On be respectively arranged with the first feed pipe 211 and the second discharge nozzle 212, the first discharge nozzle 111 stretches into the first charging of cold ash bucket 21
It is tightly connected in pipe 211 and with the first discharge nozzle 111, chute feeder 16 stretches into from the first discharge nozzle 111 in cold ash bucket 21, cold ash
Bucket 21 and 212 junction of the second discharge nozzle are circumferentially uniformly arranged the poplar plate 213 for being useful for that ash is delivered to screening portion 3, lead to
Cross poplar plate 213 ash after cooling is transported in the second discharge nozzle 212, be fixedly installed in the outer circle of the second discharge nozzle 212 by
Movable sprocket, the second actuating unit 22 include motor and retarder, and drive sprocket, drive sprocket are provided on the output shaft of retarder
It is linked by chain and passive sprocket wheel.
Cooling end 2 further includes heat exchanger and water tank, and heat exchanger plates are provided in heat exchanger, is provided on heat exchanger for into normal
First water inlet pipe of warm water and the first outlet pipe for being used for out hot water, heat exchanger are connected to spray tube 23 by the second outlet pipe,
24 bottom of vapour hood is provided with the third outlet pipe for being connected to water tank, and the second water inlet for being connected to heat exchanger is provided on water tank
Pipe.
Referring to Fig. 7, several steel balls are provided in cold ash bucket 21, cold ash bucket 21 is close to one end of the second discharge nozzle 212
It is provided with kick back 214, kick back 214 is circular ring shape, and the outer circle of annulus is fixed on the inner wall of cold ash bucket 21.Steel ball is in cold ash
Bucket 21 plays the grinding to ash content in rotating, bulky grain ash content is reduced, to improve working efficiency.Kick back 214
Setting is so that steel ball is in always in cold ash bucket 21.
Referring to Fig. 8, the Inner of kick back 214 circle is connected with the web plate 215 with mesh, and web plate 215 is circular ring shape, and kick back
214 Inner circular diameters are identical as the diameter of the second discharge nozzle 212.Web plate 215 is so that 21 interior diameter of cold ash bucket is more than the ash of mesh
Dividing can not be entered in the second discharge nozzle 212 by poplar plate 213, rested in cold ash bucket 21 and continued under the abrasive action of steel ball
It is transformed into the ash content that diameter is less than mesh.
Kick back 214 is uniformly provided with notch in outer circle so that ash content discharging is more thorough, will not remain in cold ash bucket 21
It is interior.Kick back 214 is uniformly provided with waist-shaped hole in the radial direction.
Screening portion 3 is arranged in the rear end of cooling end 2, includes being connect and with cold ash with the second discharge nozzle 212 of cold ash bucket 21
The sifting barrels 31 that bucket 21 rotates synchronously, array distribution has level-one Screening Network 311 and two level Screening Network 312, two level on sifting barrel 31
The density of Screening Network 312 is more than the density of level-one Screening Network 311, and 31 outside of sifting barrel is provided with the second machine of support sifting barrel 31
Frame 32, there are three discharge ports, two of which discharge port to be sieved respectively with level-one Screening Network 311 and two level for setting in the second rack 32
Net 312 corresponds to, and there are one discharge ports to be arranged in 312 rear end of two level Screening Network.
Referring to Fig. 6, delivery section 4 includes the first screw conveyor, elevator and the second screw conveyor, the first helical feed
The discharge outlet at two level Screening Network is arranged in machine, and one end of elevator is arranged in the lower section of the first screw conveyor, and conveys
Direction and the conveying direction of the first screw conveyor are perpendicular, and the other end of elevator is arranged in the upper of the second screw conveyor
Side, and ash bucket is provided on the second screw conveyor.It is carried out being delivered to again in mixing part 1 by the ash of two level Screening Network
Stirring stir-frying.
The upper end and side of first rack 11 offer smoke outlet, and the upper end of the second rack 32 offers smoke outlet, row
It is both provided with smoke exhaust pipe on mouth and is connected to total smoke exhaust pipe, air-introduced machine is provided in total smoke exhaust pipe rear end, dust removal unit 5 includes Mars
Trap 51 and bag filter 52, total smoke exhaust pipe are connect with Mars trap.Air-introduced machine is accelerated also to protect while flue gas discharge
It has demonstrate,proved and has been in negative pressure, security performance higher in system always.
Mixing part 1 further includes Coal powder spray mechanism 18, and Coal powder spray mechanism 18 includes the spray being fixed in the first rack 11
Powder motor 181 and discharge tube 182 are fixedly installed screw rod 183, spiral on the output shaft of motor 181 that dusts by shaft coupling
Bar 183 is arranged in discharge tube 182, and the outlet of discharge tube 182 is arranged above agitated kettle 12, is arranged on discharge tube 182 useful
In the storage barrel 184 of storage coal dust.
Agitating paddle 131 is the asymmetric rubbing board type structure of center of gravity, and this structure is conducive to that 12 top of agitated kettle will be floated on
Aluminium lime-ash is secreted.
111 outside of the first discharge nozzle is provided with the increased directing plate of diameter in 21 first feed pipe 211 of cold ash bucket
214, ensure that hot ash is not detained at the first feed pipe 211.
Mixing part 1 further includes lifting device 19, for by the container for containing slag be promoted to the first rack 11 into
At material mouth.
The ash bucket of dress slag is promoted to by lifting device at 11 feed inlet of the first rack of mixing part, motor and is subtracted
Fast device starts, and agitating paddle 131 is made to start to rotate, and controls babinet 12 by lifting hydraulic cylinder 15 and agitating device 13 declines, work as case
Body 12 touches cushion cylinder 17, and under the action of cushion cylinder 17, agitating paddle 131 is slowly drop down to 12 bottom of agitated kettle, stirs
The top molten metal tap hole 121 for blocking agitated kettle 12 of 131 bottom of paddle is mixed, agitating paddle 131 is in the first actuating unit 132
It is constantly rotated under drive, starts balling in pot 12 to be mixed, opened coal dust and add mechanism 18, constantly add into agitated kettle 12
Coal powder, moment burning under the action of high temperature of powdered carbon burst, to which the ball-type metal in slag is blown, wait for
When slag is sufficiently separated into metal liquid and ash content, electrically operated gate 123 is opened, the work that ash content is stirred continuously in agitating paddle 131
It is fallen on chute feeder 16 from the discharging of discharge hole 123 under, waits for that ash content discharge, lifting hydraulic cylinder 15 out of agitated kettle 12 make babinet 12
Rise with agitating device 13, molten metal discharge out of molten metal tap hole 121, being received recycling by melt pipeline holds
In device 5.
Ash content is entered from chute feeder 16 in cold ash bucket 21, and the temperature of ash content reaches 600 DEG C or more, is cold in spray tube 27
But water, cold ash bucket 21 constantly rotate under the drive of the second actuating unit 22, and the steel ball in cold ash bucket 21, which plays ash content, to be ground
Mill acts on, and the nozzle on spray tube 27 is constantly by cool water shower on 21 outer wall of cold ash bucket, to in cold ash bucket 21
Hot ash cools down, and ash accumulation in cold ash bucket 21 is simultaneously slowly moved towards 212 direction of the second discharge nozzle, in 213 bending of poplar plate
Be drawn under the action of part in the second discharge nozzle 212, into the second discharge nozzle 212 ash have cooled to 30 DEG C hereinafter, after
The ash of the continuous multi-stage screening by screening portion 2, different meshes goes out from different discharge hole for discharge from the discharge outlet of two level Screening Network
The ash come by delivery section is transmitted back to mixing part stir process again, can not be by the bulky grain metal derby of Screening Network from sifting barrel
31 exits come out.
Embodiment 2, referring to Fig. 4, including mixing part 1, cooling end 2, screening portion 3, delivery section 4 and container 5, mixing part 1 is wrapped
The first rack 11 is included, babinet 14, agitated kettle 12, agitating device 13 are provided in the first rack 11, the first rack 11 is far from cold
But the side in portion 2 is provided with feed inlet, and babinet 14 is arranged above agitated kettle 12, is provided on babinet 14 in the first rack 11
Lower slider simultaneously makees the sliding rail and sliding block positioned, and lifting hydraulic cylinder 15, raise-lower hydraulic are provided on two sides of the first rack 11
The cylinder barrel of cylinder 15 is fixed at 11 top of the first rack, and the piston rod of lifting hydraulic cylinder 15 is fixedly connected with babinet 14, and first
Both sides in rack 11 are provided with cushion cylinder 17 between babinet 14 and agitated kettle 12, referring to Fig. 5.
Agitated kettle 12 is fixed in the first rack 11, and agitating device 13 includes the first actuating unit 132 and agitating paddle
131, the first actuating unit 132 is arranged in babinet 14, and power output shaft and the agitating paddle 131 of the first actuating unit 132 are fixed
Connection, agitating paddle 131 are stretched over cantilever position in agitated kettle 12, and agitating paddle 131 carries out the slag in agitated kettle 12
Stirring stir-frying, to isolate molten metal and ash, 12 bottom of agitated kettle is provided with molten metal tap hole 121, molten metal
121 lower section of tap hole is provided with melt pipeline, is provided with container 5 outside mixing part 1, melt pipeline is connected to container 5, to realize
Collection to molten metal, discharge hole 122 is offered on agitated kettle 12, and 12 outside of agitated kettle is arranged on the top of discharge hole 122
Be useful for the electrically operated gate 123 of control discharge hole discharging, the lower part of discharge hole 123 is provided with chute feeder 16, chute feeder 16 be equipped with
The slide carriage of radian, ash is better and is not easy to leak outside, and the lower part of the first rack 11 is provided with the first discharge nozzle 111, chute feeder
16 extend downwardly from the inclined downward of discharge hole 123 in the first discharge nozzle 111.
The rear end in mixing part 1 is arranged in cooling end 2, including horizontal rotatable cold ash bucket 21 and the cold ash bucket 21 of drive rotate
The second actuating unit 22, the outside of cold ash bucket 21 is provided with spray tube 23 and fixed vapour hood 24, the both ends of the surface of cold ash bucket 21
On be respectively arranged with the first feed pipe 211 and the second discharge nozzle 212, the first discharge nozzle 111 stretches into the first charging of cold ash bucket 21
It is tightly connected in pipe 211 and with the first discharge nozzle 111, chute feeder 16 stretches into from the first discharge nozzle 111 in cold ash bucket 21, cold ash
Bucket 21 and 212 junction of the second discharge nozzle are circumferentially uniformly arranged the poplar plate 213 for being useful for that ash is delivered to screening portion 3, lead to
Cross poplar plate 213 ash after cooling is transported in the second discharge nozzle 212, be fixedly installed in the outer circle of the second discharge nozzle 212 by
Movable sprocket, the second actuating unit 22 include motor and retarder, and drive sprocket, drive sprocket are provided on the output shaft of retarder
It is linked by chain and passive sprocket wheel.
Cooling end 2 further includes heat exchanger and water tank, and heat exchanger plates are provided in heat exchanger, is provided on heat exchanger for into normal
First water inlet pipe of warm water and the first outlet pipe for being used for out hot water, heat exchanger are connected to spray tube 23 by the second outlet pipe,
24 bottom of vapour hood is provided with the third outlet pipe for being connected to water tank, and the second water inlet for being connected to heat exchanger is provided on water tank
Pipe.
Several steel balls are provided in cold ash bucket 21, cold ash bucket 21 is provided with gear in one end close to the second discharge nozzle 212
Ball plate 214, kick back 214 are circular ring shape, and the outer circle of annulus is fixed on the inner wall of cold ash bucket 21.Steel ball is done in cold ash bucket 21 to be revolved
The grinding to ash content is played during transhipment is dynamic, bulky grain ash content is reduced, to improve working efficiency.The setting of kick back 214 makes
Steel ball is in always in cold ash bucket 21.
The Inner circles of kick back 214 are connected with the web plate 215 with mesh, and web plate 215 is circular ring shape, and the Inner of kick back 214
Circular diameter is identical as the diameter of the second discharge nozzle 212.Web plate 215 is so that the ash content that 21 interior diameter of cold ash bucket is more than mesh can not lead to
It crosses poplar plate 213 to enter in the second discharge nozzle 212, rests in cold ash bucket 21 and continue under the abrasive action of steel ball to be transformed into directly
Diameter is less than the ash content of mesh.
Kick back 214 is uniformly provided with notch in outer circle so that ash content discharging is more thorough, will not remain in cold ash bucket 21
It is interior.Kick back 214 is uniformly provided with waist-shaped hole in the radial direction.
Screening portion 3 is arranged in the rear end of cooling end 2, includes being connect and with cold ash with the second discharge nozzle 212 of cold ash bucket 21
The sifting barrels 31 that bucket 21 rotates synchronously, array distribution has level-one Screening Network 311 and two level Screening Network 312, two level on sifting barrel 31
The density of Screening Network 312 is more than the density of level-one Screening Network 311, and 31 outside of sifting barrel is provided with the second machine of support sifting barrel 31
Frame 32, there are three discharge ports, two of which discharge port to be sieved respectively with level-one Screening Network 311 and two level for setting in the second rack 32
Net 312 corresponds to, and there are one discharge ports to be arranged in 312 rear end of two level Screening Network.
Referring to Fig. 6, delivery section 4 includes the first screw conveyor 41, elevator 42 and the second screw conveyor 43, the first spiral shell
The discharge outlet at two level Screening Network is arranged in rotation conveyer 41, and one end of elevator is arranged under the first screw conveyor
Side, and the conveying direction of conveying direction and the first screw conveyor is perpendicular, the other end of elevator is arranged in the second spiral transferring
The top of machine is sent, and is provided with ash bucket on the second screw conveyor.It will be delivered to stirring again by the ash of two level Screening Network
Stir-frying is stirred in portion 1.
The upper end and side of first rack 11 offer smoke outlet, and the upper end of the second rack 32 offers smoke outlet, row
It is both provided with smoke exhaust pipe on mouth and is connected to total smoke exhaust pipe, air-introduced machine is provided in total smoke exhaust pipe rear end, dust removal unit 5 includes Mars
Trap 51 and bag filter 52, total smoke exhaust pipe are connect with Mars trap.Air-introduced machine is accelerated also to protect while flue gas discharge
It has demonstrate,proved and has been in negative pressure, security performance higher in system always.
Mixing part 1 further includes Coal powder spray mechanism 18, and Coal powder spray mechanism 18 includes the spray being fixed in the first rack 11
Powder motor 181 and discharge tube 182 are fixedly installed screw rod 183, spiral on the output shaft of motor 181 that dusts by shaft coupling
Bar 183 is arranged in discharge tube 182, and the outlet of discharge tube 182 is arranged above agitated kettle 12, is arranged on discharge tube 182 useful
In the storage barrel 184 of storage coal dust.
Agitating paddle 131 is the asymmetric rubbing board type structure of center of gravity, and this structure is conducive to that 12 top of agitated kettle will be floated on
Aluminium lime-ash is secreted.
111 outside of the first discharge nozzle is provided with the increased directing plate of diameter in 21 first feed pipe 211 of cold ash bucket
214, ensure that hot ash is not detained at the first feed pipe 211.
The bottom of mixing part 1, cooling end 2 and screening portion 3 is sunk down into less than ground level, at the feed inlet of the first rack 11
It is provided with and tilts upward extend to ground level inclined-plane.
Ash bucket is directly transported at the first rack feed inlet of mixing part by slag by fork truck, motor and retarder
Start, agitating paddle 131 is made to start to rotate, babinet 12 is controlled by lifting hydraulic cylinder 15 and agitating device 13 declines, when babinet 12
Cushion cylinder 17 is touched, under the action of cushion cylinder 17, agitating paddle 131 is slowly drop down to 12 bottom of agitated kettle, agitating paddle
The top molten metal tap hole 121 for blocking agitated kettle 12 of 131 bottoms, drive of the agitating paddle 131 in the first actuating unit 132
Under constantly rotate, start balling in pot to be mixed 12, open coal dust and add mechanism 18, constantly add coal into agitated kettle 12
Powder, moment burning under the action of high temperature of powdered carbon are burst, and to which the ball-type metal in slag is blown, wait for metal
When slag is sufficiently separated into metal liquid and ash content, electrically operated gate 123 is opened, and ash content is under the action of agitating paddle 131 is stirred continuously
It is fallen on chute feeder 16 from the discharging of discharge hole 123, waits for that ash content discharge out of agitated kettle 12, lifting hydraulic cylinder 15 make babinet 12 and stir
The rising of device 13 is mixed, molten metal discharge out of molten metal tap hole 121 is received returnable 5 by melt pipeline
In.
Ash content is entered from chute feeder 16 in cold ash bucket 21, and the temperature of ash content reaches 600 DEG C or more, is cold in spray tube 27
But water, cold ash bucket 21 constantly rotate under the drive of the second actuating unit 22, and the steel ball in cold ash bucket 21, which plays ash content, to be ground
Mill acts on, and the nozzle on spray tube 27 is constantly by cool water shower on 21 outer wall of cold ash bucket, to in cold ash bucket 21
Hot ash cools down, and ash accumulation in cold ash bucket 21 is simultaneously slowly moved towards 212 direction of the second discharge nozzle, in 213 bending of poplar plate
Be drawn under the action of part in the second discharge nozzle 212, into the second discharge nozzle 212 ash have cooled to 30 DEG C hereinafter, after
The ash of the continuous multi-stage screening by screening portion 2, different meshes goes out from different discharge hole for discharge from the discharge outlet of two level Screening Network
The ash come by delivery section is transmitted back to mixing part stir process again, can not be by the bulky grain metal derby of Screening Network from sifting barrel
31 exits come out.
It should be pointed out that be described above the embodiment of the present invention.However, art technology it is to be understood by the skilled artisans that
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment, is not departing from this
The present invention can also be there are many changes and improvements under the premise of invention scope, these changes and improvements both fall within this claimed hair
In bright range.
Claims (10)
1. a kind of slag recovery and processing system, which is characterized in that including：
Mixing part is stirred stir-frying to slag, to isolate molten metal and ash, and molten metal is collected；
Cooling end, is arranged in the rear end of mixing part, and chilling is carried out to the ash come in from mixing part conveying；
Screening portion, is arranged in the rear end of cooling end, and multi-stage screening is carried out to ash after cooling；
The ash of a diameter of 2-13mm is delivered in mixing part and is stirred stir-frying by delivery section again.
2. a kind of slag recovery and processing system according to claim 1, it is characterised in that：The mixing part includes the
One rack is provided with babinet, agitated kettle and agitating device in first rack, and first rack is in one far from cooling end
Side is provided with feed inlet, and the babinet is arranged above agitated kettle, is provided in the first rack and slides up and down and determine for babinet
The sliding rail and sliding block of position are provided with lifting hydraulic cylinder, the cylinder barrel of the lifting hydraulic cylinder on two sides of first rack
It is fixed above the first rack, the piston rod of the lifting hydraulic cylinder is fixedly connected with babinet, and the agitated kettle fixation is set
It sets in the first rack, the agitating device includes the first actuating unit and agitating paddle, and first actuating unit is arranged in case
In vivo, the power output shaft of first actuating unit is fixedly connected with agitating paddle, and the agitating paddle is stretched over cantilever position
In agitated kettle, the stirring pot bottom is provided with molten metal tap hole, and discharge hole, the stirring are offered on the agitated kettle
Pot outside is provided with the electrically operated gate for controlling discharge hole discharging on the top of discharge hole, and the lower part of the discharge hole, which is provided with, to be sent
The lower part of hopper, first rack is provided with the first discharge nozzle, and chute feeder extends downwardly first from the inclined downward of discharge hole
In discharge nozzle；
The cooling end includes horizontal rotatable cold ash bucket and drives the second actuating unit of cold ash bucket rotation, the cold ash bucket
Outside is provided with spray tube and fixed vapour hood, and the spray tube is arranged on vapour hood inner wall for cooling down to cold ash bucket,
The first feed pipe and the second discharge nozzle for stretching out vapour hood, first charging are respectively arranged in the both ends of the surface of the cold ash bucket
Pipe and the second discharge nozzle are structure as a whole with cold ash bucket, and the first feed pipe that first discharge nozzle stretches into cold ash bucket is interior and with the
One discharge nozzle is tightly connected, and the chute feeder is stretched into from the first discharge nozzle in cold ash bucket, the cold ash bucket and the second discharge nozzle
Junction is circumferentially uniformly arranged the poplar plate for being useful for that ash is delivered to screening portion, is fixed in the outer circle of second discharge nozzle
It is provided with by movable sprocket, second actuating unit includes motor and retarder, and master is provided on the output shaft of the retarder
Movable sprocket, the drive sprocket are linked by chain and passive sprocket wheel；
The screening portion includes being connect with the second discharge nozzle of cold ash bucket and with the sifting barrel that cold ash bucket rotates synchronously, the screening
Array distribution has several Screening Networks, the aperture of each Screening Network to be become larger along the axis of sifting barrel on cylinder, the sifting barrel
Outside is provided with the second rack of support sifting barrel, and being provided with several corresponding with each Screening Network in second rack goes out
Material mouth, the second rack are additionally provided with discharge port on the side of sifting barrel end；
The delivery section includes the first screw conveyor, elevator and the second screw conveyor.
3. a kind of slag recovery and processing system according to claim 2, it is characterised in that：Further include dust removal unit, institute
It includes total smoke exhaust pipe to state dust removal unit, and the upper end and side of first rack offer smoke outlet, second rack it is upper
End offers smoke outlet, and smoke exhaust pipe is both provided on the smoke outlet and is connected to total smoke exhaust pipe, is set in total smoke exhaust pipe rear end
It is equipped with air-introduced machine, the dust removal unit includes Mars trap and bag filter, and total smoke exhaust pipe is connect with Mars trap.
4. a kind of slag recovery and processing system according to claim 2, it is characterised in that：The mixing part further includes
Coal powder spray mechanism, the Coal powder spray mechanism includes dust motor and the discharge tube being fixed in the first rack, described to dust
Screw rod is fixedly installed by shaft coupling on the output shaft of motor, the screw rod is arranged in discharge tube, the discharge tube
Outlet be arranged above agitated kettle, the storage barrel for storing coal dust is provided on the discharge tube.
5. a kind of slag recovery and processing system according to claim 2, it is characterised in that：It is arranged on the sifting barrel
There are level-one Screening Network and two level Screening Network.
6. a kind of slag recovery and processing system according to claim 3, it is characterised in that：First helical feed
The discharge outlet at two level Screening Network is arranged in machine, and one end of the elevator is arranged in the lower section of the first screw conveyor, and
The conveying direction of conveying direction and the first screw conveyor is perpendicular, and the other end of the elevator is arranged in the second helical feed
The top of machine, and ash bucket is provided on the second screw conveyor, the discharge port of second screw conveyor is located at agitated kettle
Top.
7. a kind of slag recovery and processing system according to claim 2, it is characterised in that：The cooling end further includes
Heat exchanger and water tank are provided with heat exchanger plates in the heat exchanger, be provided on the heat exchanger for into normal-temperature water first into
Water pipe and the first outlet pipe for being used for out hot water, the heat exchanger are connected to spray tube, the vapour hood by the second outlet pipe
Bottom is provided with the third outlet pipe for being connected to water tank, and the second water inlet pipe for being connected to heat exchanger is provided on the water tank.
8. a kind of slag recovery and processing system according to claim 2, it is characterised in that：Further include container, setting
Outside agitating device, it is provided with melt pipeline below the molten metal tap hole, the melt pipeline is connected to container.
9. a kind of slag recovery and processing system according to claim 2, it is characterised in that：The mixing part further includes
Lifting device, for the container for containing slag to be promoted at the feed inlet of the first rack.
10. a kind of slag recovery and processing system according to claim 2, it is characterised in that：The mixing part, cooling
The bottom in portion and screening portion is sunk down into less than ground level, is provided with to tilt upward at the feed inlet of first rack and is extended to
One inclined-plane of ground level.
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| CN201810687240.1A CN108531745B (en) | 2018-06-28 | 2018-06-28 | Metal slag recovery processing system |
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|---|---|---|---|
| CN201810687240.1A CN108531745B (en) | 2018-06-28 | 2018-06-28 | Metal slag recovery processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109628749A (en) * | 2019-01-29 | 2019-04-16 | 四会市国耀铝业有限公司 | A kind of aluminium melting furnace combustion apparatus slag-draining device |
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